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Posted to hdfs-dev@hadoop.apache.org by "Xiaoqiao He (Jira)" <ji...@apache.org> on 2022/05/22 14:05:00 UTC
[jira] [Resolved] (HDFS-16584) Record StandbyNameNode information when Balancer is running
[ https://issues.apache.org/jira/browse/HDFS-16584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoqiao He resolved HDFS-16584.
--------------------------------
Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
Committed to trunk. Thanks [~jianghuazhu] for your contribution!
> Record StandbyNameNode information when Balancer is running
> -----------------------------------------------------------
>
> Key: HDFS-16584
> URL: https://issues.apache.org/jira/browse/HDFS-16584
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover, namenode
> Affects Versions: 3.3.0
> Reporter: JiangHua Zhu
> Assignee: JiangHua Zhu
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Attachments: image-2022-05-19-20-23-23-825.png
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> When the Balancer is running, we allow block data to be fetched from the StandbyNameNode, which is nice. Here are some logs:
> !image-2022-05-19-20-23-23-825.png!
> But we have no way of knowing which NameNode the request was made to. We should log more detailed information, such as the host associated with the StandbyNameNode.
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